75 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Shields: Valley Heating & Cooling Inc., CR Score 91/100; 5.0★ from 392 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Haertel Heating & Cooling, posts 24/7 hours; ranked #2 of 75.
Most-reviewed: All Seasons Heating and Cooling, 1,378 Google reviews at 4.9★, the most of 75 ranked; ranked #19.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
75 Shields HVAC contractors are ranked here by CR Score, from 8 published factors. 10 are open 24/7, 27 open Saturdays and 24 open Sundays, based on posted hours. The median Google rating is 4.7★ across 75 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Valley Heating & Cooling Inc. | 91 | 5.0★ (392) | Saginaw, 2 mi away | Sat · Sun | Overall |
| 2 | Haertel Heating & Cooling | 90 | 4.9★ (373) | Bay City, 15 mi away | 24/7 | Emergencies |
| 3 | Smith Mechanical Heating and Cooling | 88 | 4.9★ (173) | Bay City, 16 mi away | 24/7 | — |
| 4 | Rick's Heating & Air of Mid Michigan | 88 | 5.0★ (28) | Saginaw, 5 mi away | 24/7 | — |
| 5 | J.Fries Heating & Cooling | 86 | 4.9★ (300) | Saginaw, 3 mi away | Sat · Evenings | — |
| 6 | Advantage Heating & Cooling | 86 | 5.0★ (31) | Freeland, 7 mi away | 24/7 | — |
| 7 | Sol-Air Heating & Cooling LLC | 85 | 4.9★ (207) | Saginaw, 4 mi away | Sun · Evenings | — |
| 8 | Great Lakes Air Mechanical Heating And Cooling | 85 | 4.7★ (24) | Bay City, 12 mi away | 24/7 | — |
| 9 | Ryczek Heating & Cooling LLC | 85 | 4.8★ (132) | Saginaw, 12 mi away | Sat · Sun | — |
| 10 | Aaron's Plumbing | 85 | 4.4★ (24) | Saginaw Township North, 4 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 392 Google reviews, listed on Google as “HVAC contractor”.
Based in Bay City, 15 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 373 Google reviews, open 24/7.
Based in Bay City, 16 mi away
Ranked #3 because of its Google rating and availability: 4.9★ from 173 Google reviews, open 24/7.
Based in Saginaw, 5 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 28 Google reviews, open 24/7.
Based in Saginaw, 3 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 300 Google reviews, listed on Google as “HVAC contractor”.
Based in Freeland, 7 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 31 Google reviews, open 24/7.
Based in Saginaw, 4 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 207 Google reviews, listed on Google as “Heating contractor”.
Based in Bay City, 12 mi away
Ranked #8 because of its Google rating and availability: 4.7★ from 24 Google reviews, open 24/7.
Based in Saginaw, 12 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 132 Google reviews, listed on Google as “HVAC contractor”.
Based in Saginaw Township North, 4 mi away
Ranked #10 because of its Google rating and availability: 4.4★ from 24 Google reviews, open 24/7.
Based in Bay City, 16 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 115 Google reviews, listed on Google as “HVAC contractor”.
Based in Bridgeport, 9 mi away
Ranked #12 because of its Google rating and availability: 4.7★ from 110 Google reviews, open 24/7.
Based in Midland, 21 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 118 Google reviews, listed on Google as “HVAC contractor”.
Based in Freeland, 9 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 1,121 Google reviews, listed on Google as “HVAC contractor”.
Based in Saginaw, 4 mi away
Ranked #15 because of its Google rating and availability: 2.8★ from 4 Google reviews, open 24/7.
Based in Midland, 15 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “HVAC contractor”.
Based in Flint, 18 mi away
Ranked #17 because of its Google rating and availability: 4.1★ from 14 Google reviews, open 24/7.
Based in Saginaw, 3 mi away
Ranked #18 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.
Based in Midland, 21 mi away
Ranked #19 because of its Google rating and review volume: 4.9★ from 1,378 Google reviews, the most Google reviews on this list (1,378).
Based in Saginaw, 3 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 127 Google reviews, listed on Google as “HVAC contractor”.
Based in Midland, 21 mi away
Ranked #21 because of its Google rating and availability: 4.5★ from 120 Google reviews, open 24/7.
Based in Midland, 24 mi away
Ranked #22 because of its Google rating and trade focus: 4.7★ from 61 Google reviews, listed on Google as “HVAC contractor”.
Based in Bridgeport, 8 mi away
Ranked #23 because of its Google rating and trade focus: 3.9★ from 18 Google reviews, listed on Google as “HVAC contractor”.
Based in Midland, 18 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 378 Google reviews, listed on Google as “HVAC contractor”.
Based in Bay City, 10 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 75 ranked HVAC contractors here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Schark Heating & Cooling | 78 | 4.6★ (66) | 1 mi |
| 27 | Seidel Heating | 78 | 5.0★ (5) | 8 mi |
| 28 | Johnson Controls Saginaw Office | 78 | 3.7★ (3) | 8 mi |
| 33 | Universal Air | 77 | 3.7★ (3) | 5 mi |
| 37 | Clints Plumbing & Heating | 76 | 4.2★ (10) | 15 mi |
| 50 | Paul's Plumbing & Heating | 73 | 4.6★ (18) | 14 mi |
1 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Phillips & Norgan Plumbing & Heating | 3.0★ (3) | 14 mi |
National price ranges in USD, not adjusted for Shields. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
In Michigan, Michigan LARA, Bureau of Construction Codes licenses Mechanical contractor licenses.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
In Michigan, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.
We scored 75 Shields HVAC contractors on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Shields data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |